header, .navigator {
  display: grid;
  grid-template-columns: auto auto auto auto;
  gap: 16 px
  }

body {
  font-family: sans-serif;
  background-color: gainsboro;
  color: dimgrey;
  }
  
.posts {
  display: grid;
  grid-template-columns: auto auto;
  gap: 16px;
  }